package com.lu.servlet;

import com.lu.dao.impl.NewsDaoImpl;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

public class DeleteNewsServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.setCharacterEncoding("utf-8");
        resp.setCharacterEncoding("utf-8");
        resp.setContentType("text/html");

        PrintWriter out = resp.getWriter();

        int nid = Integer.parseInt(req.getParameter("nid"));
        int result = new NewsDaoImpl().deleteOneNews(nid);
        if(result>0){
            out.print("<script>alert('删除成功!')</script>");
            out.print("<script>location.href='GetSomeNewsByPageServlet';</script>");
        }else{
            out.print("<script>alert('删除失败!')</script>");
            out.print("<script>history.back();</script>");
        }

        out.flush();
        out.close();
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        super.doPost(req, resp);
    }
}
